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Survival strategies for markers?

From: Thorsten Jolitz
Subject: Survival strategies for markers?
Date: Tue, 03 Jun 2014 11:55:33 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Hi List, 

when markers are exposed to extreme conditions

 - copy buffer substring (with marker m) from buffer A to temporary
 - buffer B
 - modify buffer content in B
 - change major mode in B

how do they survive? 

Or, more prosaic, can I do these things and somehow copy (bufferlocal?)
m from A to B, or do I have to take an indirect approach remembering m's
position in A in a global var and set a new marker at that position in
B (or so)?


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